| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| T80319A (Diagnosis) - ABO incompatibility w hemolytic transfs react, unsp, init (ABO incompatibility with hemolytic transfusion reaction, unspecified, initial encounter) | Single To Single | 99961 (Diagnosis) - Abo incomp/HTR NEC (ABO incompatibility with hemolytic transfusion reaction not specified as acute or delayed) |
| CMS/CDC General Equivalence Mappings |
| T80319A (Diagnosis) - ABO incompatibility w hemolytic transfs react, unsp, init (ABO incompatibility with hemolytic transfusion reaction, unspecified, initial encounter) | Single To Single | Alternative #1: 99961 (Diagnosis) - Abo incomp/HTR NEC (ABO incompatibility with hemolytic transfusion reaction not specified as acute or delayed) |